class Concurrent::Map

def keys

Experimental RBS support (using type sampling data from the type_fusion project). 

def keys: () -> untyped

This signature was generated using 11 samples from 1 application.

Returns:
  • (::Array) - keys 
    def keys
  arr = []
  each_pair { |k, v| arr << k }
  arr
end unless method_defined?(:keys)